#306CAD#306CAD

#306CAD is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.4% C 0.120 H 252.7°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX#306CAD
RGBrgb(48, 108, 173)
HSLhsl(211, 57%, 43%)
HSVhsv(211, 72%, 68%)
CMYKcmyk(72.3%, 37.6%, 0%, 32.2%)
CIE-LABlab(44.76, 2.93, -40.32)
CIE-LCHlch(44.76, 40.43, 274.16°)
OKLaboklab(52.4% -0.0358 -0.1148)
OKLCHoklch(52.4% 0.12 252.7)
XYZxyz(14.1215, 14.3691, 41.5563)
Luminance0.1437 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#306CAD #AD7130
analogous
#30AAAD #306CAD #3230AD
triadic
#306CAD #AD306C #6CAD30
tetradic
#306CAD #AD30AA #AD7130 #30AD32
square
#306CAD #AD30AA #AD7130 #30AD32
split-complementary
#306CAD #AD3230 #AAAD30
monochromatic
#15304D #234E7D #306CAD #4D8BCE #7DAADB

Accessibility & contrast

On white

5.42
#306CAD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.87
#306CAD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CAD
5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##306CAD#FFFFFF#000000##FFFFFF
##306CAD1.005.423.875.42
#FFFFFF5.421.0021.001.00
#0000003.8721.001.0021.00
##FFFFFF5.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E70B0
Deuteranopia (green-blind)
#3C65AC
Tritanopia (blue-blind)
#007B84
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #306cad;
/* rgb */ color: rgb(48, 108, 173);
/* oklch */ color: oklch(52.4% 0.120 252.7);
Tailwind
colors: {
  custom: {
    50: '#7895c6',
    500: '#306cad',
    950: '#000000',
  },
}
SCSS
$custom: #306cad;
$custom-light: #7895c6;
$custom-dark: #000000;
JSON
{
  "hex": "#306cad",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 173
  },
  "hsl": {
    "h": 211.2,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.524,
    "c": 0.12022,
    "h": 252.7
  },
  "luminance": 0.14371
}

Semantic roles & 50–950 ramp

primary
#306CAD
secondary
#C39E75
accent
#9748E0
background
#F7F9FC
surface
#EEF1F8
border
#C9CBD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #306CAD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#306CAD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva